Senior Automation Test Engineer – Payments & API Testing | 8+ years | Bombay

What impact will you make?

Every day, your work will make an impact that matters, while you thrive in a dynamic culture of inclusion, collaboration and high performance. As the undisputed leader in professional services

Deloitte is where you will find unrivaled opportunities to succeed and realize your full potential.

The Team

Deloittes Technology & Transformation practice can help you uncover and unlock the value buried deep inside vast amounts of data. Our global network provides strategic guidance and implementation services to help companies manage data from disparate sources and convert it into accurate, actionable information that can support fact-driven decision-making and generate an insight-driven advantage. Our practice addresses the continuum of opportunities in business intelligence & visualization, data management, performance management and next-generation analytics and technologies, including big data, cloud, cognitive and machine learning.

Senior Test Engineer Payments Testing (API Automation + Payments Domain)

We are seeking a highly experienced Senior Test Engineer with 8+ years of expertise in Payments Testing, API Automation, and Java-based test frameworks. The candidate will work across complex payment ecosystems, ensuring high-quality delivery, regulatory compliance, and seamless integration across global payment channels.

Key Responsibilities

Payments Testing & Investigation

• Investigate and resolve payment-related issuesfailed transactions, missing credits, chargebacks, and reconciliation mismatches.
• Analyze SWIFT MT/MX message formats, ISO 20022 payment instructions, clearing and settlement flows.
• Coordinate with internal technology teams, business stakeholders, banking partners, and payment intermediaries to resolve payment exceptions.
• Perform and document root cause analysis (RCA) for recurring issues and propose corrective and preventive action plans.
• Ensure end-to-end compliance with AML checks, sanctions screening, and regulatory guidelines.
• Support and test ISO 20022 migration, platform modernization, and integration with new payment gateways or clearing systems.
• Collaborate with developers, QA leads, and BAs to improve payment flows, reduce exceptions, and enhance system reliability.
• Deliver accurate documentation, dashboards, and reports for stakeholders and audits.

API Automation & Technical Responsibilities

• Design, develop, and maintain API automation frameworks using Java + Rest Assured.
• Implement automated test suites for REST/SOAP APIs related to payment initiation, validation, authorization, settlement, and reconciliation.
• Build reusable libraries, utilities, and frameworks to support scalable, maintainable automation.
• Integrate automation execution into CI/CD pipelines (Jenkins, GitLab CI, Azure DevOps).
• Validate complex payment scenarios across RTGS, NEFT, ACH, SWIFT, IMPS, UPI, SEPA, and cross-border payment flows.
• Analyze logs, message queues, and integration points to diagnose and troubleshoot issues.
• Ensure API performance metrics (latency, throughput) meet SLAs for high-volume payment processing.
• Collaborate with DevOps teams to run automation within containers, cloud test environments, and microservices ecosystems.

Required Skills & Experience

Experience

• 8+ years of overall experience in Quality Engineering, Test Automation, and Payments Testing.

Payments Domain Expertise

• Strong understanding of:
• SWIFT MT/MX, ISO 20022
• Clearing and settlement processes
• Cross-border and domestic payment schemes
• Experience with Trade Finance workflows such as LC, BG, collections, and remittances.

Automation & Technical Skills

• Strong proficiency in Java programming and OOPs concepts.
• Hands-on experience in Rest Assured, API automation frameworks, and validating JSON/XML payloads.
• Solid knowledge of SQL, API tools (Postman), and debugging techniques.
• Experience integrating automation with CI/CD pipelines and version control (Git).

Other Skills

• Familiarity with SWIFT Alliance, payment investigation tools, reconciliation platforms.
• Strong analytical and problem-solving skills.
• Excellent communication skills for effective interaction with banks, clients, and internal teams.
• Awareness of AML, sanctions screening, FATF guidelines, and banking compliance frameworks.

Nice-to-Have Skills

• Experience with:
• Microservices testing
• Kafka / MQ-based asynchronous flows
• Cloud-based testing (AWS, Azure, GCP)
• Performance testing tools like JMeter

How you will grow

At Deloitte, our professional development plan focuses on helping people at every level of their career to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there is always room to learn. We offer opportunities to help build excellent skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs at Deloitte University, our professionals have a variety of opportunities to continue to grow throughout their career. Explore Deloitte University, The Leadership Centre.

Benefits

At Deloitte, we know that great people make a great organization. We value our people and offer employees a broad range of benefits. Learn more about what working at Deloitte can mean for you.

Our purpose

Deloitte is led by a purpose: To make an impact that matters.

Every day, Deloitte people are making a real impact in the places they live and work. We pride ourselves on doing not only what is good for clients, but also what is good for our people and the

Communities in which we live and workalways striving to be an organization that is held up as a role model of quality, integrity, and positive change. Learn more about Deloitte's impact on the world

Recruiter tips

We want job seekers exploring opportunities at Deloitte to feel prepared and confident. To help you with your interview, we suggest that you do your research: know some background about the

organization and the business area you are applying to. Check out recruiting tips from Deloitte professionals.